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NFL.com's Ian Rapoport reported Tuesday that the team is "heading toward" signing Brady Quinn on the heels of Monday's four-passer tryout in Seattle, according to a source informed of the decision.

Quinn worked out for the Seahawks' brass along with Matt Leinart, Seneca Wallace and Tyler Thigpen. It doesn't say much for Leinart -- coach Pete Carroll's former quarterback at USC -- that he'd lose out to Quinn, who already has flamed out with the Kansas City Chiefs and Cleveland Browns.

Thigpen and Wallace offer read-option experience, but Quinn might have more upside with some solid coaching. There isn't much available on the free-agent market, and it wouldn't be a surprise to see the Seahawks draft and groom a more natural fit for their offense than Quinn or any of the above.

UPDATE: The Seahawks later announced Tuesday that they have agreed to a contract with Quinn.